CVE-2026-13489: Improper Synchronization in 78 xiaozhi-esp32
CVE-2026-13489 is a low-severity vulnerability in the 78 xiaozhi-esp32 product up to version 2.2.6. It involves improper synchronization in the ParseMessage function of the MCP Response Handler component. The vulnerability can be exploited remotely but requires high attack complexity and no user interaction. A fix has been proposed but is not yet accepted or available.
AI Analysis
Technical Summary
This vulnerability affects the ParseMessage function in the main/mcp_server.cc file of the MCP Response Handler component in 78 xiaozhi-esp32 versions 2.2.0 through 2.2.6. It causes improper synchronization, which could potentially be exploited remotely. The attack complexity is high, and exploitation is difficult. Although an exploit is publicly available, no official patch or remediation has been released yet; a pull request with a fix is pending acceptance.
Potential Impact
The vulnerability allows remote attackers to exploit improper synchronization in the affected component, potentially leading to unexpected behavior or denial of service. However, the low CVSS score (2.3) and high attack complexity indicate limited impact and difficulty in exploitation. There is no indication of privilege escalation, data confidentiality, or integrity impact.
Mitigation Recommendations
No official fix or patch is currently available. A pull request addressing the issue is awaiting acceptance. Users should monitor the vendor's repository or advisory channels for the official patch. Given the high attack complexity and low severity, immediate urgent action is not required but planning for update once the fix is released is recommended.
CVE-2026-13489: Improper Synchronization in 78 xiaozhi-esp32
Description
CVE-2026-13489 is a low-severity vulnerability in the 78 xiaozhi-esp32 product up to version 2.2.6. It involves improper synchronization in the ParseMessage function of the MCP Response Handler component. The vulnerability can be exploited remotely but requires high attack complexity and no user interaction. A fix has been proposed but is not yet accepted or available.
CVSS v4.0
Score 2.3low
Affected software
pkg:github/78/xiaozhi-esp32cpe:2.3:a:78:xiaozhi-esp32:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the ParseMessage function in the main/mcp_server.cc file of the MCP Response Handler component in 78 xiaozhi-esp32 versions 2.2.0 through 2.2.6. It causes improper synchronization, which could potentially be exploited remotely. The attack complexity is high, and exploitation is difficult. Although an exploit is publicly available, no official patch or remediation has been released yet; a pull request with a fix is pending acceptance.
Potential Impact
The vulnerability allows remote attackers to exploit improper synchronization in the affected component, potentially leading to unexpected behavior or denial of service. However, the low CVSS score (2.3) and high attack complexity indicate limited impact and difficulty in exploitation. There is no indication of privilege escalation, data confidentiality, or integrity impact.
Mitigation Recommendations
No official fix or patch is currently available. A pull request addressing the issue is awaiting acceptance. Users should monitor the vendor's repository or advisory channels for the official patch. Given the high attack complexity and low severity, immediate urgent action is not required but planning for update once the fix is released is recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-27T15:50:21.113Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a41073b27e9c79719dbb8c2
Added to database: 06/28/2026, 11:36:27 UTC
Last enriched: 06/28/2026, 11:51:25 UTC
Last updated: 06/28/2026, 11:51:56 UTC
Views: 3
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